The extent of the sandwich universe is practically as endless as the actual universe.

Now, it’s time to go even bigger, and determine the best of the bunch nationally.

Here are the 25 best sandwich spots in America, according to chefs.

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Photo: Carl Salisbury/Shutterstock

But Katz’s is in a league of its own.

Incidentally, that’s the exact same order for Drew Shader, founder of Denver’sAtomic Cowboy.

“It’s a classic for a reason.”

new york katzs delicatessen

Photo: Maurice C./ Yelp

It’s so good and I crave it all the time."

Tommy DiNic’s

When in Rome, do as the Romans do.

“This sandwich speaks to the food history of Philadelphia,” he explains.

New Yorker sandwich from Small Mart Cafe in New Orleans

Photo: Small Mart Cafe / Yelp

It’s a flavor bomb."

“This one is about nostalgia,” he notes.

“We ate these on many mornings as a kid where I grew up in Owings Mills, Md.

tommy dinic pork roast sandwich

Photo: Tommy DiNic’s/Instagram

These types of delis are a dying breed.”

Particularly, its Italian special.

“They bake the bread hourly across the street from the shop, and it’s just perfect.

Chicken baguette at The Monkey Bridge in Seattle

Photo: Shushi S./Yelp

The meats are sliced to order and are so consistently good.

The hot pepper relish just hits different on this sub.

“But one sandwich that stands out among the rest is their mahi mahi BLT.

Sausage, egg and cheese breakfast sandwich on an everything bagel

Photo: Shutterstock

There are few restaurants that offer fresh mahi mahi and pair it with bacon.”

Bodega Park

For a bodega-style craving in Los Angeles, Klementine Song heads toBodega Park.

“The proportion of filling to bread is spot-on and impeccably seasoned.”

italian sub from white house subs

Photo: White House Subs / Facebook

“The sandwich reminds me of my favorite spot in Brooklyn, the now-closed Graham Avenue Meats & Deli.

I used to walk a mile in the snow just to get their Italian meats sandwich.

I think I would do the same for Bodega Park.

a person making a sandwich at alvin ord’s

Photo: Alvin Ord’s / Facebook

“They pickle ingredients in-house and prepare the sandwiches a la minute.

His favorite sandwich is ham with pepper Jack cheese, mayo, iceberg lettuce, tomato, and jalapeno.

It is sheer sandwich perfection.”

a chicken salad sandwich on a croissant

Photo: Lowcountry Cider

“The #3 Italian is pure sandwich genius,” he raves.

It’s cash only and for $10, you get a sandwich, chips, and a drink.

It’s so good.”

a mahi mahi blt from the foolish frog

Photo: Foolish Frog / Facebook

His personal favorite is the Uncle Primo on focaccia.

They then griddle the sandwich until the mozzarella just starts to melt.”

“I still visit every time I go home.”

chicharron sandwich from j28

Photo: J28

“Everything they do well, but sandwiches especially,” according to the Nguyens.

“The brisket dip and the chicken pesto sandwich are our two favorites!”

No frills, just quality wrapped in wax paper."

Soppressata sandwich at Bodega Park in Los Angeles

Photo: Frank A. / Yelp

One of his local favorites isDot’s Cafe, where he goes for the namesake breakfast sandwich.

“I particularly like that it is served on a homemade poppy seed roll,” he notes.

“The perfectly cooked runny egg and seared sausage are craveable.”

a ham sandwich from sal kris and charlies deli in queens, ny

Photo: Sal, Kris & Charlie’s / Facebook

“I have been going here since I would skip school in high school,” he recounts.

His go-to order is the grilled weisswurst on a fresh club roll with sauerkraut and spicy mustard.

“It’s a simple but fantastic sandwich!”

a sandwich from fatbelly pretzel in Nashville, Tenn.

Photo: Fatbelly Pretzel

“The Spicy Chicken Katsu is my absolute favorite,” he says.

a number three italian from lunch in bar harbor

Photo: Amanda L. / Yelp

Rocco’s Italian Sausages and Cheesesteaks

Photo: Rocco’s Italian Sausages and Cheesesteaks / Facebook

a fried bologna sandwich from turkey and the wolf

Photo: TripAdvisor

ideals uncle primo sandwich

Photo: Rosa L. / Yelp

p and d pizza grinders

Photos: P & D Pizza / Facebook

brisket dip from tessa deli

Photo: Adam M. / Yelp

getright bakery sandwich

Photo: GetRight Bakery / Facebook

dots cafe breakfast sandwich

Photo: Dot’s Cafe / Instagram

baguette de france sandwich

Photo: Baguette De France /

east fishkill provisions sandwich

Photo: TripAdvisor

les baget sandwich

Photo: Les Baget / Instagram

mama yoshi spicy chicken katsu sandwich

Photo: NattoRiceFurikake / reddit